Greatest Common Factor of 161, 165, 90

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 161, 165, 90 by common division method
• Greatest Common Factor of 161, 165, 90 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 161,165,90 . The biggest common factor number is the GCF number.
So the greatest common factor 161,165,90 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 321, 561, 76
• GCF of 495, 500, 64
• GCF of 799, 191, 92
• GCF of 295, 871, 29
• GCF of 595, 472, 81

1. What is the GCF of 161, 165, 90?

Answer: GCF of 161, 165, 90 is 1.

2. How to Find the GCF of 161, 165, 90

Answer: Greatest Common Factor(GCF) of 161, 165, 90 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(161, 165, 90) = 1.